CN102572901B - Method and device for determining carrier frequency hidden failures - Google Patents
Method and device for determining carrier frequency hidden failures Download PDFInfo
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- CN102572901B CN102572901B CN201010586035.XA CN201010586035A CN102572901B CN 102572901 B CN102572901 B CN 102572901B CN 201010586035 A CN201010586035 A CN 201010586035A CN 102572901 B CN102572901 B CN 102572901B
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Abstract
The invention discloses a method and a device for determining carrier frequency hidden failures. The method comprises the following steps of: obtaining a measurement report of the carrier frequency in a first schedule time range, wherein the measurement report comprises the parameter value of each parameter of the carrier frequency; based on the obtained measurement report, determining the parameter values respectively corresponding to each preset monitoring parameter, wherein the preset monitoring parameter is signal intensity and/or signal quality; for each preset monitoring parameter, judging whether the determined parameter value of the monitoring parameter meets the corresponding determination condition; determining whether the carrier frequency meets a failure condition according to the judged result; when the carrier frequency meets the failure condition, determining that the carrier frequency has a carrier frequency hidden failure. With the technical scheme of the invention, the problem that the carrier frequency hidden failure cannot be determined timely in the prior art is solved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of carrier frequency hidden failures and determine method and device.
Background technology
Along with global system for mobile communications (GSM, Global System for Mobile Communication) development, wireless base station device is more and more, various fault not being labeled in bug list also starts to emerge in an endless stream, and these unknown faults are hidden in the network equipment of magnanimity, can not produce fault warning, be difficult to find in time and process, these faults can be called " hidden failure ".And in existing network, the most of hidden failure in base station equipment is all relevant with Transmit Receive Unit, Transmit Receive Unit can be called " carrier frequency ", so these hidden failures also can be called " carrier frequency hidden failures ".
Carrier frequency hidden failures can bring serious infringement to network performance, and user awareness is impacted, be embodied in: call access failure, call drop, call single-pass, call speech are unclear etc., therefore find timely and accurately carrier frequency hidden failures, to improving network running quality, improve user awareness significant.
Prior art is generally determined carrier frequency hidden failures by the method for artificial drive test, be specially: by customer complaint or drive test, find that the situation that communication abnormality or communication quality decline appears in base station, in eliminating, exist after fault warning and other known fault, determine and may have carrier frequency hidden failures, by frequency locking, test, navigate to the hardware modules such as a certain suspicious carrier frequency or cavity, and it is changed, if carry out after above-mentioned processing, communication recovery is normal, carrier frequency hidden failures is eliminated, if it is still abnormal to communicate by letter, can get rid of the possibility for carrier frequency hidden failures.
Said method needs the carrier frequency hidden failures in drive test personnel's searching network initiatively, because network size is very huge, this has just increased the very many workloads of drive test personnel, definite accuracy and efficiency are not high yet, and in existing network, quick drive test can not be carried out in a lot of regions, just cannot determine the carrier frequency hidden failures in these regions with said method.
For the problems referred to above, prior art has proposed to add up by cell telephone traffic the method for determining carrier frequency hidden failures, be specially: when finding that certain community occurs that the Key Performance Indicators such as high call drop, call completing rate is low, handover success rate is low are abnormal, in eliminating, exist after fault warning and other known fault, determine and may have carrier frequency hidden failures.
In the prior art, carrier frequency hidden failures is progressive on the impact of cell telephone traffic statistics, generally, while there is carrier frequency hidden failures in monolithic carrier frequency, can not produce considerable influence to each index of cell telephone traffic statistics, only have when cellular traffic is higher or exist polylith carrier frequency all to have carrier frequency hidden failures, just can produce obvious impact to each index of cell telephone traffic statistics, therefore exist and determine carrier frequency hidden failures problem not in time.
Summary of the invention
The embodiment of the present invention provides a kind of carrier frequency hidden failures to determine method and device, in order to solve definite carrier frequency hidden failures of existing in prior art problem not in time.
Embodiment of the present invention technical scheme is as follows:
Carrier frequency hidden failures is determined a method, and the method comprising the steps of: obtain the measurement report of carrier frequency in the first stipulated time section, comprise the parameter value of this each parameter of carrier frequency in described measurement report; According to the measurement report obtaining, determine the parameter value corresponding with each default monitoring parameter difference, default monitoring parameter is signal strength signal intensity and/or signal quality; For each default monitoring parameter, whether the parameter value of this monitoring parameter that judgement is determined meets correspondence fixed condition really; According to judged result, determine whether this carrier frequency meets fault condition; When determining this carrier frequency and meet fault condition, determine that this carrier frequency exists carrier frequency hidden failures.
A carrier frequency hidden failures determining device, comprising: first obtains unit, for obtaining the measurement report of carrier frequency in the first stipulated time section, comprises the parameter value of this each parameter of carrier frequency in described measurement report; The first determining unit, for the measurement report obtaining according to the first acquisition unit, determines the parameter value corresponding with each default monitoring parameter difference, and default monitoring parameter is signal strength signal intensity and/or signal quality; Judging unit, each monitoring parameter for for default, judges whether the parameter value of this monitoring parameter that the first determining unit is determined meets correspondence fixed condition really; The second determining unit, for according to the judged result of judging unit, determines whether this carrier frequency meets fault condition; The 3rd determining unit, while meeting fault condition for determining this carrier frequency in the second determining unit, determines that this carrier frequency exists carrier frequency hidden failures.
In embodiment of the present invention technical scheme, first obtain the measurement report of carrier frequency in the first stipulated time section, the parameter value that wherein comprises this each parameter of carrier frequency in this measurement report, according to the measurement report obtaining, determine the parameter value corresponding with each default monitoring parameter difference, default monitoring parameter is signal strength signal intensity and/or signal quality, for each default monitoring parameter, whether the parameter value of this monitoring parameter that judgement is determined meets correspondence fixed condition really, according to judged result, determine whether this carrier frequency meets fault condition, when determining this carrier frequency and meet fault condition, determine that this carrier frequency exists carrier frequency hidden failures, therefore, in the technical scheme that the embodiment of the present invention provides, no longer by cell telephone traffic, add up and determine carrier frequency hidden failures, but determine according to the measurement report of carrier frequency whether carrier frequency hidden failure occurs, once because carrier frequency generation hidden failure, can in the measurement report of carrier frequency, embody, this has just solved definite carrier frequency hidden failures problem not in time, at carrier frequency hidden failures, network service is produced before considerable influence, just determine carrier frequency hidden failures, thereby network maintenance staff can take appropriate measures and eliminate in time this carrier frequency hidden failures, thereby effectively improved network communication quality.
Accompanying drawing explanation
Fig. 1 is in the embodiment of the present invention, and carrier frequency hidden failures is determined method flow schematic diagram;
Fig. 2 is in the embodiment of the present invention, and carrier frequency hidden failures is determined method specific implementation schematic flow sheet;
Fig. 3 is in the embodiment of the present invention, carrier frequency hidden failures determining device structural representation.
Embodiment
Below in conjunction with each accompanying drawing, embodiment of the present invention technical scheme main realized to principle, embodiment and the beneficial effect that should be able to reach is at length set forth.
As shown in Figure 1, for carrier frequency hidden failures in the embodiment of the present invention is determined method flow diagram, its concrete handling process is as follows:
Step 11, obtains the measurement report of carrier frequency in the first stipulated time section, comprises the parameter value of this each parameter of carrier frequency in described measurement report;
The measurement report of gsm system refers to that travelling carriage is in communication process, every the Fixed Time Intervals of 480 milliseconds, just pass through slow associated control channel (SACCH, Slow Associated Control Channel) periodically to base station, report the metrical information of down wireless link, base station also can periodically be measured up-link wireless link simultaneously, the metrical information that the metrical information that base station measures self and travelling carriage report offers base station controller (BSC as measurement report, Base Station Controller), as the foundation of switch decision.
The parameter value of a plurality of parameters that comprised carrier frequency in the measurement report due to carrier frequency, the embodiment of the present invention proposes, set in advance at least one statistical parameter, BSC periodically gathers the measurement report of the carrier frequency that base station reports within this cycle, the cycle of gathering for example arranging is one hour, the time granularity gathering is one hour, wherein above-mentioned the first stipulated time section is gathering the cycle of setting, BSC collects the parameter value of default statistical parameter in the first stipulated time section, and immediately collected all parameter values composition measurement reports set is reported to (the OMC of operation maintenance center after collecting, Operations & Maintenance Center), carrier frequency hidden failures determining device is regularly obtained the measurement report set that BSC reports from OMC, because measurement report can intuitively reflect the communication quality of the wireless link of user in communication process, therefore the measurement report of carrier frequency can effectively reflect the carrier frequency hydraulic performance decline that carrier frequency hidden failures causes, once carrier frequency generation hidden failure, can in the measurement report of carrier frequency, embody.
Wherein default statistical parameter can be, but not limited to as at least one in following parameter: the up average level of carrier frequency; The descending average level of carrier frequency; The up credit rating of carrier frequency; The downlink quality grade of carrier frequency; The sampling Loss Rate of carrier frequency.
In the embodiment of the present invention, can also to measurement report, be collected by A-bis interface signaling harvester, and not need BSC to collect, detailed process repeats no more here.
Step 12, according to the measurement report obtaining, determines the parameter value corresponding with each default monitoring parameter difference;
The embodiment of the present invention proposes, and sets in advance at least one monitoring parameter, and default monitoring parameter can be, but not limited to as signal strength signal intensity and/or signal quality;
Wherein, signal strength signal intensity comprises at least one in following parameter:
The up average level of carrier frequency in the first stipulated time section; The descending average level of carrier frequency in the first stipulated time section; The up average level of carrier frequency in the first stipulated time section, and the difference between each carrier frequency of sector up average level of maximum in the first stipulated time section under this carrier frequency; The descending average level of carrier frequency in the first stipulated time section, and the difference between each carrier frequency of sector maximum downstream average level in the first stipulated time section under this carrier frequency.
Wherein, signal quality comprises at least one in following parameter:
The up credit rating of carrier frequency in the first stipulated time section; The downlink quality grade of carrier frequency in the first stipulated time section; The up credit rating of carrier frequency in the first stipulated time section, and the difference between each carrier frequency of sector the highest up credit rating in the first stipulated time section under this carrier frequency; The downlink quality grade of carrier frequency in the first stipulated time section, and the difference between each carrier frequency of sector the highest descending credit rating in the first stipulated time section under this carrier frequency.
Wherein the parameter value of some parameter can directly be determined according to the measurement report obtaining, and the parameter value of some parameter need to be determined according to the measurement report of this carrier frequency and other carrier frequency, introduces respectively the parameter value of how to confirm parameter below.
Up average level, descending average level, up credit rating, the downlink quality grade of carrier frequency in the first stipulated time section, all can directly determine according to the measurement report obtaining;
The up average level of carrier frequency in the first stipulated time section, and the difference under this carrier frequency between the up average level of maximum of each carrier frequency of sector in the first stipulated time section: first according to the measurement report obtaining, determine the up average level of carrier frequency in the first stipulated time section, again according to the measurement report of each carrier frequency of sector under this carrier frequency, determine that each carrier frequency is in the up average level of the first stipulated time section, maximum up average level, then the difference between the up average level of maximum of each carrier frequency of determining sector under the up average level of this carrier frequency in the first stipulated time section and this carrier frequency in the first stipulated time section,
The descending average level of carrier frequency in the first stipulated time section, and the difference under this carrier frequency between the maximum downstream average level of each carrier frequency of sector in the first stipulated time section: first according to the measurement report obtaining, determine the descending average level of carrier frequency in the first stipulated time section, again according to the measurement report of each carrier frequency of sector under this carrier frequency, determine that each carrier frequency is in the descending average level of the first stipulated time section, maximum descending average level, then the difference between the maximum downstream average level of each carrier frequency of determining sector under the descending average level of this carrier frequency in the first stipulated time section and this carrier frequency in the first stipulated time section,
The up credit rating of carrier frequency in the first stipulated time section, and the difference under this carrier frequency between the highest up credit rating of each carrier frequency of sector in the first stipulated time section: first according to the measurement report obtaining, determine the up credit rating of carrier frequency in the first stipulated time section, again according to the measurement report of each carrier frequency of sector under this carrier frequency, determine that each carrier frequency is in the up credit rating of the first stipulated time section, the highest up credit rating, then the up credit rating of this carrier frequency in the first stipulated time section, and the difference under this carrier frequency between the highest up credit rating of each carrier frequency of sector in the first stipulated time section,
The downlink quality grade of carrier frequency in the first stipulated time section, and the difference under this carrier frequency between the highest descending credit rating of each carrier frequency of sector in the first stipulated time section: first according to the measurement report obtaining, determine the downlink quality grade of carrier frequency in the first stipulated time section, again according to the measurement report of each carrier frequency of sector under this carrier frequency, determine that each carrier frequency is in the downlink quality grade of the first stipulated time section, the highest downlink quality grade, then the downlink quality grade of this carrier frequency in the first stipulated time section, and the difference under this carrier frequency between the highest descending credit rating of each carrier frequency of sector in the first stipulated time section.
Step 13, for each default monitoring parameter, whether the parameter value of this monitoring parameter that judgement is determined meets correspondence fixed condition really;
Before determining carrier frequency hidden failures, need to be according to default monitoring parameter, set up fault model, technical solution of the present invention adopts expert system to set up fault model in conjunction with cluster modeling method, and by feedback mechanism, the fault data in system running is joined to fault case storehouse, further improved definite accuracy rate.
First, according to the experience of the daily processing carrier frequency hidden failures of engineer, can effectively judge carrier frequency hidden failures, but be applied in while automatically determining in system, first need these fuzzy experiences to be converted into definite method that computer system can be identified, this just need to set up expert system, for example:
(1) because needing wireless signal, proper communication there is suitable intensity and good quality, therefore be that signal strength signal intensity (upper line level or descending level) and credit rating (up quality equivalence or downlink quality grade) arrange respectively lowest threshold, when respectively lower than lowest threshold or all lower than lowest threshold, can determine that this carrier frequency may exist carrier frequency hidden failures;
(2) the different carrier frequency of same base station have similar wireless environment, and its signal strength signal intensity and credit rating should be roughly the same, if the signal strength signal intensity of the different carrier frequency of same base station and credit rating have big difference, may have carrier frequency hidden failures;
(3) performance of same carrier frequency within a period of time should keep stable, if there is signal strength signal intensity or credit rating, declines suddenly, may have carrier frequency hidden failures.
Simultaneously by the measurement report of the whole network carrier frequency is carried out to cluster analysis, as supplementing expert system, make up the one-sidedness that may occur in daily experience, for example: by cluster analysis, find wherein to have the low but normal carrier frequency of signal quality of a class signal strength signal intensity, known these carrier frequency all belong to the carrier frequency that covers marine site by analysis, are not to cause signal strength signal intensity low by carrier frequency hidden failures, therefore should be got rid of the possibility of carrier frequency hidden failures, improved the accuracy rate of definite carrier frequency hidden failures.
By said method, can correspondence fixed condition be really set respectively for each parameter, for example, for up average level, fixed condition be really set and be: be less than-100dbm of up average level; For descending average level, fixed condition being really set is: be less than-100dbm of descending average level; For the difference between up average level and maximum up average level, fixed condition being really set is: this difference is greater than 20dbm; For the difference between descending average level and maximum downstream average level, fixed condition being really set is: this difference is greater than 20dbm; For up credit rating, fixed condition being really set is: up credit rating is 6 grades or 7 grades (wherein credit rating is generally 0 grade to 7 grades, and progression is larger, and quality is poorer); For downlink quality grade, fixed condition being really set is: downlink quality grade is 6 grades or 7 grades; For the difference between up credit rating and the highest up credit rating, fixed condition being really set is: this difference is greater than 3; For the difference between downlink quality grade and the highest descending credit rating, fixed condition being really set is: this difference is greater than 3.
Wherein, if signal strength signal intensity and signal quality comprise respectively a plurality of parameters, can be when for judgment result is that of at least one parameter being, think that judgment result is that of this monitoring parameter is, also can be while being in the judged result of all parameters for comprising, think that judgment result is that of this monitoring parameter is.
Step 14, according to judged result, determines whether this carrier frequency meets fault condition;
In the embodiment of the present invention, if for judgment result is that of at least one monitoring parameter be, can determine that this carrier frequency meets fault condition;
In addition when default monitoring parameter comprises signal strength signal intensity and signal quality, if be for the judged result of signal strength signal intensity and signal quality, be to determine that this carrier frequency meets fault condition; If for judgment result is that of signal strength signal intensity be, for signal quality, the determination result is NO, can determine that this carrier frequency does not meet fault condition.
Step 15, when determining this carrier frequency and meet fault condition, determines that this carrier frequency exists carrier frequency hidden failures.
If determine carrier frequency, meet fault condition, can directly determine that this carrier frequency exists carrier frequency hidden failures, also can meet after fault condition determining carrier frequency, according to other monitoring parameters, further determine whether to exist carrier frequency hidden failures, can be, but not limited to comprise following three kinds of performances, be specially:
The first performance, meet after fault condition determining carrier frequency, obtain in the second stipulated time section of this carrier frequency under the first stipulated time section, meet continuously the number of times of fault condition, then determine whether the number of times obtaining is not less than defined threshold, determine whether this carrier frequency all meets fault condition in continuous a plurality of periods, or noly in busy, meet continuously fault condition, if so, determine that this carrier frequency exists carrier frequency hidden failures, if not, continue monitoring;
The second performance, meets after fault condition determining carrier frequency, determines whether this carrier frequency has neither part nor lot in baseband hopping in the first stipulated time section, if so, determine that this carrier frequency exists carrier frequency hidden failures, if not, can close frequency hopping, this carrier frequency is added to watch-list, continue monitoring;
The third performance, if monitoring parameter is signal strength signal intensity, meet after fault condition determining carrier frequency, determine whether the affiliated base station of this carrier frequency is macro base station, and whether the Timing Advance of this carrier frequency in the first stipulated time section meets correspondence fixed condition (for example Timing Advance is between 5 and 7) really, if determining the affiliated base station of this carrier frequency is macro base station, and the Timing Advance of this carrier frequency in the first stipulated time section meets correspondence fixed condition really, determine that this carrier frequency exists carrier frequency hidden failures, otherwise continue monitoring.
Wherein the combination in any of above-mentioned three kinds of situations is also in the protection range of technical solution of the present invention, for example, meet after fault condition determining carrier frequency, obtain in the second stipulated time section of this carrier frequency under the first stipulated time section, meet continuously the number of times of fault condition, then determine whether the number of times obtaining is not less than defined threshold, if not, continue monitoring, if, determine whether this carrier frequency has neither part nor lot in baseband hopping in the first stipulated time section, if, determine that this carrier frequency exists carrier frequency hidden failures, if not, can close frequency hopping, this carrier frequency is added to watch-list, continue monitoring.
Determining after this carrier frequency exists carrier frequency hidden failures, can also further determine the fault rank of the carrier frequency hidden failures that this carrier frequency exists, and according to the fault rank of determining, send corresponding warning information.
Other detailed process of failure level of wherein determining carrier frequency hidden failures can be, but not limited to as following:
First determine in the first stipulated time section, determine in the first stipulated time section, in mixer under this carrier frequency, only have this carrier frequency to meet described fault condition, if not, exist other carrier frequency also to meet fault condition, can determine that mixer module or antenna-feedback system exist fault, and then can take corresponding treatment measures, if, only have this carrier frequency to meet fault condition, determine that can this carrier frequency carry out frequency switching operation with other carrier frequency, if can, can wait for night and carry out frequency and switch, record frequency point information, continue monitoring, if not, determine the sampling Loss Rate of in described the first stipulated time section, this carrier frequency being sampled, Traffic Channel (the TCH of sector in the first stipulated time section under this carrier frequency, Traffic Channe) cutting off rate, switch success ratio, urgent switching proportion and average call duration, then judge sampling Loss Rate, TCH cutting off rate, switch success ratio, in urgent switching proportion and average call duration, whether exist the parameter value of at least one parameter meet correspondence really fixed condition (Loss Rate of for example sampling is greater than 50%, TCH cutting off rate is greater than 2%, switch success ratio is less than 60%, urgent switching proportion is greater than 60%, average call duration is less than 20 seconds), if the determination result is YES, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is senior, if the determination result is NO, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is rudimentary.
If the fault priority of determining is senior, can send critical alarm information, then continue monitoring, if the fault priority of determining is rudimentary, can send nonurgent alarm information, then continue monitoring.
In addition, the embodiment of the present invention also proposes, and carrier frequency hidden failures determining device determining with each default monitoring parameter respectively before corresponding parameter value, can also further determine that data in measurement report whether in span normally, are specially:
First, according to the measurement report obtaining, determine the every line telephone traffic of the affiliated sector of this carrier frequency in the first stipulated time section, TCH serviceability rate and the upstream sampling quantity of in the first stipulated time section, this carrier frequency being sampled, then determine every line telephone traffic, whether TCH serviceability rate and upstream sampling quantity all meet correspondence fixed condition really, for example whether every line telephone traffic is greater than 0.05, whether upstream sampling quantity is greater than 200, whether TCH serviceability rate equals 100%, if, be that data in measurement report are in normal span, determine the parameter value corresponding with each default monitoring parameter difference, if not, be that data in measurement report are not in normal span, continue monitoring.
From above-mentioned processing procedure, in embodiment of the present invention technical scheme, first obtain the measurement report of carrier frequency in the first stipulated time section, the parameter value that wherein comprises this each parameter of carrier frequency in this measurement report, according to the measurement report obtaining, determine the parameter value corresponding with each default monitoring parameter difference, default monitoring parameter is signal strength signal intensity and/or signal quality, for each default monitoring parameter, whether the parameter value of this monitoring parameter that judgement is determined meets correspondence fixed condition really, according to judged result, determine whether this carrier frequency meets fault condition, when determining this carrier frequency and meet fault condition, determine that this carrier frequency exists carrier frequency hidden failures, therefore, in the technical scheme that the embodiment of the present invention provides, no longer by cell telephone traffic, add up and determine carrier frequency hidden failures, but determine according to the measurement report of carrier frequency whether carrier frequency hidden failure occurs, once because carrier frequency generation hidden failure, can in the measurement report of carrier frequency, embody, this has just solved definite carrier frequency hidden failures problem not in time, at carrier frequency hidden failures, network service is produced before considerable influence, just determine carrier frequency hidden failures, thereby network maintenance staff can take appropriate measures and eliminate in time this carrier frequency hidden failures, thereby effectively improved network communication quality.
Provide more specifically execution mode below.
As shown in Figure 2, in inventive embodiments, carrier frequency hidden failures is determined method specific implementation flow chart, and its concrete processing procedure is as follows:
Step 21, obtains the carrier frequency measurement report in section at the appointed time, comprises the parameter value of this each parameter of carrier frequency in described measurement report;
Step 22, judge that data in measurement report are whether in normal span, judge every line telephone traffic of the affiliated sector of this carrier frequency in this stipulated time section, whether TCH serviceability rate and the upstream sampling quantity of in this stipulated time section, this carrier frequency being sampled all meet correspondence fixed condition really, judge whether every line telephone traffic is greater than 0.05, whether upstream sampling quantity is greater than 200, whether TCH serviceability rate equals 100%, if the determination result is YES, be that data in measurement report are in normal span, go to step 23, if the determination result is NO, be that data in measurement report are not in normal span, go to step 21, continue monitoring,
Step 23, according to the measurement report obtaining, determine the parameter value corresponding with each default monitoring parameter difference, default monitoring parameter is signal strength signal intensity and signal quality, wherein signal strength signal intensity comprises at least one in following parameter: the up average level of carrier frequency in this stipulated time section, descending average level, difference between up average level and maximum up average level, difference between descending average level and maximum downstream average level, signal quality comprises at least one in following parameter: up credit rating, downlink quality grade, difference between up credit rating and the highest up credit rating, difference between downlink quality grade and the highest descending credit rating,
Step 24, for judgment result is that of signal strength signal intensity, be, go to step 25, if for judgment result is that of signal quality be, go to step 26;
Step 25, judge whether the affiliated base station of this carrier frequency is macro base station, and whether the Timing Advance of this carrier frequency in the first stipulated time section meets correspondence fixed condition (for example Timing Advance is between 5 and 7) really, if the determination result is YES, go to step 26, if the determination result is NO, go to step 21;
Step 26, judges whether this carrier frequency all meets fault condition in continuous a plurality of periods, or noly in busy, meets continuously fault condition, if the determination result is YES, goes to step 27, if the determination result is NO, goes to step 21;
Step 27, judges whether this carrier frequency participates in baseband hopping, if the determination result is YES, goes to step 28, if the determination result is NO, goes to step 29;
Step 28, closes frequency hopping, adds watch-list, and goes to step 21;
Step 29, determines that this carrier frequency exists carrier frequency hidden failures;
Whether step 210, judge in the affiliated mixer of this carrier frequency and only have this carrier frequency to meet fault condition, if the determination result is YES, to go to step 212, if the determination result is NO, to go to step 211;
Step 211, determines that mixer module or antenna-feedback system exist fault;
Step 212, judges that can this carrier frequency carry out frequency switching operation with other carrier frequency, if judgment result is that energy, goes to step 213, if the determination result is NO, goes to step 214;
Step 213, waits for night and carries out frequency and switch, and records frequency point information, then goes to step 21;
Step 214, in the TCH cutting off rate of judgement sampling Loss Rate, the affiliated sector of this carrier frequency, switch success ratio, urgent switching proportion and average call duration, whether exist the parameter value of at least one parameter to meet correspondence fixed condition really, the Loss Rate of for example sampling is greater than 50%, TCH cutting off rate is greater than 2%, switch success ratio is less than 60%, urgent switching proportion is greater than 60%, average call duration is less than 20 seconds, if the determination result is YES, go to step 215, if the determination result is NO, go to step 216;
Step 215, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is senior, sends critical alarm information, and goes to step 21;
Step 216, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is rudimentary, sends nonurgent alarm information, and goes to step 21.
Accordingly, the embodiment of the present invention also provides a kind of carrier frequency hidden failures determining device, as shown in Figure 3, comprises the first acquisition unit 31, the first determining unit 32, judging unit 33, the second determining unit 34 and the 3rd determining unit 35, wherein:
First obtains unit 31, for obtaining the measurement report of carrier frequency in the first stipulated time section, comprises the parameter value of this each parameter of carrier frequency in described measurement report;
The first determining unit 32, for the measurement report obtaining according to the first acquisition unit 31, determines the parameter value corresponding with each default monitoring parameter difference, and default monitoring parameter is signal strength signal intensity and/or signal quality;
Judging unit 33, each monitoring parameter for for default, judges whether the parameter value of this monitoring parameter that the first determining unit 32 is determined meets correspondence fixed condition really;
The second determining unit 34, for according to the judged result of judging unit 33, determines whether this carrier frequency meets fault condition;
The 3rd determining unit 35, while meeting fault condition for determining this carrier frequency in the second determining unit 34, determines that this carrier frequency exists carrier frequency hidden failures.
Preferably, described carrier frequency hidden failures determining device also comprises the second acquisition unit and the 4th determining unit, wherein:
Second obtains unit, before determining that in the 3rd determining unit 35 this carrier frequency exists carrier frequency hidden failures, obtains in the second stipulated time section of this carrier frequency under the first stipulated time section, meets continuously the number of times of fault condition;
The 4th determining unit, for determining that the second number of times that obtains unit acquisition is not less than defined threshold.
Preferably, described carrier frequency hidden failures determining device also comprises the 5th determining unit, before determining that in the 3rd determining unit 35 this carrier frequency exists carrier frequency hidden failures, determines that this carrier frequency has neither part nor lot in baseband hopping in described the first stipulated time section.
Preferably, if default monitoring parameter is signal strength signal intensity, described carrier frequency hidden failures determining device also comprises the 6th determining unit and the 7th determining unit, wherein:
The 6th determining unit, before determining that in the 3rd determining unit 35 this carrier frequency exists carrier frequency hidden failures, determines that the affiliated base station of this carrier frequency is macro base station;
The 7th determining unit, before determining that in the 3rd determining unit 35 this carrier frequency exists carrier frequency hidden failures, determines that the Timing Advance of this carrier frequency in described the first stipulated time section meets correspondence fixed condition really.
Preferably, described carrier frequency hidden failures determining device also comprises the 8th determining unit and the 9th determining unit, wherein:
The 8th determining unit, before determining the parameter value corresponding with each default monitoring parameter difference in the first determining unit 32, the measurement report obtaining according to the first acquisition unit 31, determines sector under this carrier frequency every line telephone traffic, Traffic Channel TCH serviceability rate in described the first stipulated time section and the upstream sampling quantity of in described the first stipulated time section, this carrier frequency being sampled;
The 9th determining unit, for determining that every line telephone traffic, TCH serviceability rate and upstream sampling quantity that the 8th determining unit is determined all meet correspondence fixed condition really.
Preferably, if judging unit 33 is that the second determining unit 34 determines that this carrier frequency meets fault condition for judgment result is that of at least one monitoring parameter.
Preferably, default monitoring parameter comprises signal strength signal intensity and signal quality;
If judging unit 33 is for the judged result of signal strength signal intensity and signal quality, the second determining unit 34 determines that this carrier frequency meets fault condition;
If judging unit 33 for judgment result is that of signal strength signal intensity is, for signal quality, the determination result is NO, and the second determining unit 34 determines that this carrier frequency does not meet fault condition.
Described carrier frequency hidden failures determining device also comprises the tenth determining unit and warning information issue unit, wherein:
The tenth determining unit, for determining the fault rank of the carrier frequency hidden failures that this carrier frequency exists;
Warning information issue unit, for the fault rank of determining according to the tenth determining unit, sends corresponding warning information.
More preferably, the tenth determining unit specifically comprises that first determines subelement, second definite subelement, the 3rd definite subelement, judgment sub-unit, the 4th definite subelement and the 5th definite subelement, wherein:
First determines subelement, for determining in the first stipulated time section, in the mixer under this carrier frequency, only has this carrier frequency to meet described fault condition;
Second determines subelement, for determining that this carrier frequency can not carry out frequency switching operation with other carrier frequency;
The 3rd determines subelement, for determining TCH cutting off rate, switch success ratio, urgent switching proportion and the average call duration of sector in described the first stipulated time section under the sampling Loss Rate of in described the first stipulated time section, this carrier frequency being sampled, this carrier frequency;
Whether judgment sub-unit, for judging that the 3rd determines sampling Loss Rate, TCH cutting off rate, switch success ratio, urgent switching proportion and the average call duration that subelement is determined, exist the parameter value of at least one parameter to meet correspondence fixed condition really;
The 4th determines subelement, and for when judgment result is that of judgment sub-unit is, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is senior;
The 5th determines subelement, and when in judgment sub-unit, the determination result is NO, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is rudimentary.
Preferably, described signal strength signal intensity comprises at least one in following parameter:
The up average level of this carrier frequency in described the first stipulated time section;
The descending average level of this carrier frequency in described the first stipulated time section;
The up average level of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector up average level of maximum in described the first stipulated time section under this carrier frequency;
The descending average level of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector maximum downstream average level in described the first stipulated time section under this carrier frequency;
Described signal quality comprises at least one in following parameter:
The up credit rating of this carrier frequency in described the first stipulated time section;
The downlink quality grade of this carrier frequency in described the first stipulated time section;
The up credit rating of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector the highest up credit rating in described the first stipulated time section under this carrier frequency;
The downlink quality grade of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector the highest descending credit rating in described the first stipulated time section under this carrier frequency.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (18)
1. carrier frequency hidden failures is determined a method, it is characterized in that, comprising:
Obtain the measurement report of carrier frequency in the first stipulated time section, in described measurement report, comprise the parameter value of this each parameter of carrier frequency;
According to the described measurement report obtaining, determine sector under this carrier frequency every line telephone traffic, Traffic Channel TCH serviceability rate in described the first stipulated time section and the upstream sampling quantity of in described the first stipulated time section, this carrier frequency being sampled;
Determine that described every line telephone traffic, TCH serviceability rate and upstream sampling quantity all meet correspondence fixed condition really;
According to the described measurement report obtaining, determine the parameter value corresponding with each default monitoring parameter difference, default monitoring parameter is signal strength signal intensity and/or signal quality;
For each default monitoring parameter, whether the parameter value of this monitoring parameter that judgement is determined meets correspondence fixed condition really;
According to judged result, determine whether this carrier frequency meets fault condition;
When determining this carrier frequency and meet fault condition, determine that this carrier frequency exists carrier frequency hidden failures.
2. carrier frequency hidden failures as claimed in claim 1 is determined method, it is characterized in that, before determining that this carrier frequency exists carrier frequency hidden failures, also comprises:
Obtain in the second stipulated time section of this carrier frequency under the first stipulated time section, meet continuously the number of times of fault condition;
Determine that the number of times obtaining is not less than defined threshold.
3. carrier frequency hidden failures as claimed in claim 1 is determined method, it is characterized in that, before determining that this carrier frequency exists hidden failure, also comprises:
Determine that this carrier frequency has neither part nor lot in baseband hopping in described the first stipulated time section.
4. carrier frequency hidden failures as claimed in claim 1 is determined method, it is characterized in that, if default monitoring parameter is signal strength signal intensity, before determining that this carrier frequency exists hidden failure, also comprises:
Determine that the affiliated base station of this carrier frequency is macro base station, and the Timing Advance of this carrier frequency in described the first stipulated time section meets correspondence fixed condition really.
5. carrier frequency hidden failures as claimed in claim 1 is determined method, it is characterized in that, according to judged result, determines that whether this carrier frequency meets fault condition, specifically comprises:
If for judgment result is that of at least one monitoring parameter be, determine that this carrier frequency meets fault condition.
6. carrier frequency hidden failures as claimed in claim 1 is determined method, it is characterized in that, if default monitoring parameter comprises signal strength signal intensity and signal quality, according to judged result, determines that whether this carrier frequency meets fault condition, specifically comprises:
If be for the judged result of signal strength signal intensity and signal quality, be to determine that this carrier frequency meets fault condition;
If for judgment result is that of signal strength signal intensity be, for signal quality, the determination result is NO, determines that this carrier frequency does not meet fault condition.
7. carrier frequency hidden failures as claimed in claim 1 is determined method, it is characterized in that, also comprises:
Determine the fault rank of the carrier frequency hidden failures that this carrier frequency exists; And
According to the fault rank of determining, send corresponding warning information.
8. carrier frequency hidden failures as claimed in claim 7 is determined method, it is characterized in that, determines the fault rank of the carrier frequency hidden failures that this carrier frequency exists, and specifically comprises:
Determine in the first stipulated time section to only have this carrier frequency to meet described fault condition in the mixer under this carrier frequency;
Determine that this carrier frequency can not carry out frequency switching operation with other carrier frequency;
Determine TCH cutting off rate, switch success ratio, urgent switching proportion and the average call duration of sector in described the first stipulated time section under the sampling Loss Rate of in described the first stipulated time section, this carrier frequency being sampled, this carrier frequency;
In judgement sampling Loss Rate, TCH cutting off rate, switch success ratio, urgent switching proportion and average call duration, whether exist the parameter value of at least one parameter to meet correspondence fixed condition really;
If the determination result is YES, the fault priority of the carrier frequency hidden failures of definite this carrier frequency is senior;
If the determination result is NO, determine that the fault priority of the carrier frequency hidden failures of this carrier frequency is rudimentary.
9. carrier frequency hidden failures as claimed in claim 1 is determined method, it is characterized in that, described signal strength signal intensity comprises at least one in following parameter:
The up average level of this carrier frequency in described the first stipulated time section;
The descending average level of this carrier frequency in described the first stipulated time section;
The up average level of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector up average level of maximum in described the first stipulated time section under this carrier frequency;
The descending average level of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector maximum downstream average level in described the first stipulated time section under this carrier frequency;
Described signal quality comprises at least one in following parameter:
The up credit rating of this carrier frequency in described the first stipulated time section;
The downlink quality grade of this carrier frequency in described the first stipulated time section;
The up credit rating of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector the highest up credit rating in described the first stipulated time section under this carrier frequency;
The downlink quality grade of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector the highest descending credit rating in described the first stipulated time section under this carrier frequency.
10. a carrier frequency hidden failures determining device, is characterized in that, comprising:
First obtains unit, for obtaining the measurement report of carrier frequency in the first stipulated time section, comprises the parameter value of this each parameter of carrier frequency in described measurement report;
The 8th determining unit, for determine the parameter value corresponding with each default monitoring parameter difference in the first determining unit before, the measurement report obtaining according to the first acquisition unit, determines sector under this carrier frequency every line telephone traffic, Traffic Channel TCH serviceability rate in described the first stipulated time section and the upstream sampling quantity of in described the first stipulated time section, this carrier frequency being sampled;
The 9th determining unit, for determining that every line telephone traffic, TCH serviceability rate and upstream sampling quantity that the 8th determining unit is determined all meet correspondence fixed condition really;
The first determining unit, for the measurement report obtaining according to the first acquisition unit, determines the parameter value corresponding with each default monitoring parameter difference, and default monitoring parameter is signal strength signal intensity and/or signal quality;
Judging unit, each monitoring parameter for for default, judges whether the parameter value of this monitoring parameter that the first determining unit is determined meets correspondence fixed condition really;
The second determining unit, for according to the judged result of judging unit, determines whether this carrier frequency meets fault condition;
The 3rd determining unit, while meeting fault condition for determining this carrier frequency in the second determining unit, determines that this carrier frequency exists carrier frequency hidden failures.
11. carrier frequency hidden failures determining devices as claimed in claim 10, is characterized in that, also comprise:
Second obtains unit, before determining that in the 3rd determining unit this carrier frequency exists carrier frequency hidden failures, obtains in the second stipulated time section of this carrier frequency under the first stipulated time section, meets continuously the number of times of fault condition;
The 4th determining unit, for determining that the second number of times that obtains unit acquisition is not less than defined threshold.
12. carrier frequency hidden failures determining devices as claimed in claim 10, is characterized in that, also comprise:
The 5th determining unit, before determining that in the 3rd determining unit this carrier frequency exists carrier frequency hidden failures, determines that this carrier frequency has neither part nor lot in baseband hopping in described the first stipulated time section.
13. carrier frequency hidden failures determining devices as claimed in claim 10, is characterized in that, if default monitoring parameter is signal strength signal intensity, also comprise:
The 6th determining unit, before determining that in the 3rd determining unit this carrier frequency exists carrier frequency hidden failures, determines that the affiliated base station of this carrier frequency is macro base station;
The 7th determining unit, before determining that in the 3rd determining unit this carrier frequency exists carrier frequency hidden failures, determines that the Timing Advance of this carrier frequency in described the first stipulated time section meets correspondence fixed condition really.
14. carrier frequency hidden failures determining devices as claimed in claim 10, is characterized in that, if judging unit is that the second determining unit determines that this carrier frequency meets fault condition for judgment result is that of at least one monitoring parameter.
15. carrier frequency hidden failures determining devices as claimed in claim 10, is characterized in that, default monitoring parameter comprises signal strength signal intensity and signal quality;
If it is that the second determining unit determines that this carrier frequency meets fault condition that judging unit is for the judged result of signal strength signal intensity and signal quality;
If judging unit for judgment result is that of signal strength signal intensity is, for signal quality, the determination result is NO, and the second determining unit determines that this carrier frequency does not meet fault condition.
16. carrier frequency hidden failures determining devices as claimed in claim 10, is characterized in that, also comprise:
The tenth determining unit, for determining the fault rank of the carrier frequency hidden failures that this carrier frequency exists;
Warning information issue unit, for the fault rank of determining according to the tenth determining unit, sends corresponding warning information.
17. carrier frequency hidden failures determining devices as claimed in claim 16, is characterized in that, the tenth determining unit specifically comprises:
First determines subelement, for determining in the first stipulated time section, in the mixer under this carrier frequency, only has this carrier frequency to meet described fault condition;
Second determines subelement, for determining that this carrier frequency can not carry out frequency switching operation with other carrier frequency;
The 3rd determines subelement, for determining TCH cutting off rate, switch success ratio, urgent switching proportion and the average call duration of sector in described the first stipulated time section under the sampling Loss Rate of in described the first stipulated time section, this carrier frequency being sampled, this carrier frequency;
Whether judgment sub-unit, for judging that the 3rd determines sampling Loss Rate, TCH cutting off rate, switch success ratio, urgent switching proportion and the average call duration that subelement is determined, exist the parameter value of at least one parameter to meet correspondence fixed condition really;
The 4th determines subelement, and for when judgment result is that of judgment sub-unit is, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is senior;
The 5th determines subelement, and when in judgment sub-unit, the determination result is NO, the fault priority of determining the carrier frequency hidden failures of this carrier frequency is rudimentary.
18. carrier frequency hidden failures determining devices as claimed in claim 10, is characterized in that, described signal strength signal intensity comprises at least one in following parameter:
The up average level of this carrier frequency in described the first stipulated time section;
The descending average level of this carrier frequency in described the first stipulated time section;
The up average level of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector up average level of maximum in described the first stipulated time section under this carrier frequency;
The descending average level of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector maximum downstream average level in described the first stipulated time section under this carrier frequency;
Described signal quality comprises at least one in following parameter:
The up credit rating of this carrier frequency in described the first stipulated time section;
The downlink quality grade of this carrier frequency in described the first stipulated time section;
The up credit rating of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector the highest up credit rating in described the first stipulated time section under this carrier frequency;
The downlink quality grade of this carrier frequency in described the first stipulated time section, and the difference between each carrier frequency of sector the highest descending credit rating in described the first stipulated time section under this carrier frequency.
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| CN103874110B (en) * | 2012-12-18 | 2017-05-03 | 中国移动通信集团北京有限公司 | Method and device for positioning hidden faults of carrier frequency receiving and transmitting equipment |
| CN104144441B (en) * | 2013-05-10 | 2017-11-17 | 中国电信股份有限公司 | Cdma network cell breath method for early warning and device |
| CN106792784B (en) * | 2015-11-23 | 2019-11-22 | 大唐移动通信设备有限公司 | A kind of method, server and system carrying out data check in server side |
| CN108156623B (en) * | 2016-08-19 | 2021-02-02 | Oppo广东移动通信有限公司 | Method and terminal for determining performance abnormity of wifi antenna |
| CN106341291B (en) * | 2016-09-08 | 2019-11-15 | 北京小米移动软件有限公司 | It is connected to the network the test method and device of stability |
| CN109495914B (en) * | 2017-09-11 | 2022-04-01 | 中国移动通信集团云南有限公司 | Method and device for identifying deep coverage cell |
| CN109644362B (en) | 2018-02-05 | 2021-02-23 | Oppo广东移动通信有限公司 | Method for detecting link quality and terminal equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101136732A (en) * | 2007-04-29 | 2008-03-05 | 中兴通讯股份有限公司 | Method and apparatus for reducing multi-carrier frequency network fault influence |
| CN101668305A (en) * | 2009-09-29 | 2010-03-10 | 中兴通讯股份有限公司 | Method for automatically detecting reverse radio-frequency link state and device |
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-
2010
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101136732A (en) * | 2007-04-29 | 2008-03-05 | 中兴通讯股份有限公司 | Method and apparatus for reducing multi-carrier frequency network fault influence |
| CN101668305A (en) * | 2009-09-29 | 2010-03-10 | 中兴通讯股份有限公司 | Method for automatically detecting reverse radio-frequency link state and device |
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